Question

please give me this answer​

Answer 1

Answer:

equation of st.line having slope m and point (xo,yo)

y-yo=m(x-xo)

equation of st.line having slope 3 and point (3,-1)

y+1=3(x-3)

y+1=3x-9

3x-y-9-1=0

3x-y-10=0